Refrakshion

(E kom from Refraction)

For fysiks, refrakshion bi di ridairekshion of a wave as e pas from wan medium to anoda. Di ridairekshion fit dé kausd bai di chenj in di wave spid or bai a chenj in di medium.[1] Refrakshion of lait bi di mos komonli obsavd fenomenon, but other waves such as saund waves and wata waves also dé experiens refrakshion. Haw moch a wave dé refrakted dé detamaiynd bai di chenj in wave spid and di inishial dairekshion of wave propagashion relativ to di direkshion of chenj in spid.

A ray of lait dé refrakted for a plastik blok
Refrakshion of lait for di intafais between tuw media of different refraktiv indisis, with n2 > n1. Since di feiz velociti dé lowa for di sekond medium (v2 < v1), di angul of refrakshion θ2 dé les than di angul of incidens θ1; dat is, di ray for di haia-index medium dé klosa to di normal.
Wen a wave dé muv into a slowa medium di wavefronts ga get kompresd. For di wavefronts to stay konnekted at di baundri di wave must chenj dairekshion.

Referens

chenj-am
  1. Di Editors of Ensaiklopaedia Britannika. "Refrakshion". Ensaiklopaedia Britannika. Retrieved 2018-10-16.